A.It recompiles all stored PL/SQL code by using utlrp.sql.

B.It empties the RECYCLE BIN.

C.It performs prerequisite checks to verify if the Oracle database is ready for upgrade.

D.It sets all user tablespaces to "read-only" before starting the upgrade.

E.It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles

F.It increases tablespace size, if required, to meet upgrade requirements.

A.It can be run only manually.

B.It is part of the DBMS_ADVISORpackage.

C.It can recommend changes to improve the statistics gathering process.

D.It always analyzes all schemas in the database.

E.It runs automatically every night by default.

F.It is part of the DBMS_STATSpackage.

A.when the number of auxiliary channels allocated is equal to or greater than the number of target channels

B.when you specify set encryption before the duplicate ... from active database command

C.when you perform active database duplication on a database that has readonly tablespaces

D.when the duplicate ... from active database command contains the section size clause

E.when you perform active database duplication on a database with flashback disabled

A.It can consist of either backup sets or image copies.

B.It can be inconsistent.

C.It always includes all data files, the current control file, the server parameter file, and archived redo logs.

D.It is the only possible backup type for a database in NOARCHIVELOG mode.

E.It can be consistent.

F.It can be created only by using RMAN.

A.Using the Data Recovery Advisor LIST FAILUREcommand always requires that the database for which failures are to be listed is in MOUNTstate.

B.A failure can be closed only when it has been repaired.

C.Data Recovery Advisor can be used if a database is closed.

D.The Data Recovery Advisor CHANGE FAILUREcommand can be used only to change failure priorities.

E.Data Recovery Advisor can proactively check for failures.